This was in virtvision's notes that were posted on this forum. I don't know what it means, but seems to be related to time.
"Q: Patents expire in 2015. What then?
A: Engineering team???, to seek & development patents. Acquire new technology patents e.g. Holocom. Leckrone says we also have a 6-year look back in 2015.
virtvision's notes re 4/07 SH meeting